Benton MacKaye (/məˈkaɪ/ mə-KY; March 6, 1879 – December 11, 1975) was an American forester, planner and conservationist. He was born in Stamford, Connecticut; his father was actor and dramatist Steele MacKaye. After studying forestry at Harvard University (B.A., 1900; M.A. School of Forestry, 1905), Benton later taught there for several years. He joined a number of Federal bureaus and agencies, including the U.S. Forest Service, the Tennessee Valley Authority, and the U.S. Department of Labor; he was also a member of the Technical Alliance where he participated in the Energy Survey of North America.